874138823 has 2 divisors, whose sum is σ = 874138824. Its totient is φ = 874138822.

The previous prime is 874138799. The next prime is 874138831. The reversal of 874138823 is 328831478.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 874138823 - 2¹⁶ = 874073287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (874138843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437069411 + 437069412.

It is an arithmetic number, because the mean of its divisors is an integer number (437069412).

Almost surely, 2^874138823 is an apocalyptic number.

874138823 is a deficient number, since it is larger than the sum of its proper divisors (1).

874138823 is an equidigital number, since it uses as much as digits as its factorization.

874138823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 44.

The square root of 874138823 is about 29565.8387839750. The cubic root of 874138823 is about 956.1517031801.

The spelling of 874138823 in words is "eight hundred seventy-four million, one hundred thirty-eight thousand, eight hundred twenty-three".